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nozzle design

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Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005106
EISBN: 978-1-62708-186-3
... axial flow, transverse flow, and fast axial flow and reviews the applications of Nd:YAG laser. The article describes the basic parameters in the laser-cutting process: beam quality, power, travel speed, nozzles design, and focal-point position. Several material conditions that affect the quality...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005618
EISBN: 978-1-62708-174-0
...-peening processes of which emphasis is placed on thermal laser cutting. It details the principal set-up parameters, such as the laser beam output, nozzle design, focusing optic position and characteristics, assist gases, surface conditions, and cutting speed. A discussion on the types of gas, supply...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006065
EISBN: 978-1-62708-175-7
... nozzle design developed by E.J. Hall in 1920s. Source: Ref 4 Fig. 4 Fluid flow pattern at the tip of a confined nozzle during atomization Fig. 13 Particle size distribution measured by Microtrac in some Alcoa powder grades (grade 130/2 is by sonic sieve method) Fig. 15...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003396
EISBN: 978-1-62708-195-5
...-generation aircraft, spacecraft, propulsion systems, and other advanced applications. This article describes the software tools available for modeling and analyzing costs associated with design and manufacturing options for advanced composites programs. It presents an example of a composite exhaust nozzle...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006084
EISBN: 978-1-62708-175-7
... ., Feb 1992 , p 20 – 23 19. Miller S.A. , Savkar S. , and Miller R.S. , A Systematic Approach to Designing Close-Coupled Gas Atomization Nozzles , Advances in Powder Metallurgy 1994 , Vol 1 , Metal Powder Industries Federation , 1994 , p 95 – 104 20. Anderson J...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002168
EISBN: 978-1-62708-188-7
... design, and gas flow rates, varies from 0 to 1.5 mm (0.0 to 0.06 in.) for CO 2 lasers and up to 5 mm (0.200 in.) for Nd:YAG lasers. Nozzle standoff and gas pressure to a large degree determine the quality of the cut. Using a CO 2 laser, a clean cut (oxide free and dross free) can be achieved in thinner...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005737
EISBN: 978-1-62708-171-9
..., including combustors, transition ducts, inlet nozzle guide vanes, and first-stage rotating airfoils. Design requirements are reviewed and compared between aerospace and power generation coatings. Application process improvement areas are also discussed as a method of reducing component cost...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001399
EISBN: 978-1-62708-173-3
... the solder melting temperature are relatively small, confining thermal energy to a small area is critical. The focus of gas flow is usually controlled via nozzle design or the use of baffle plates. The nozzle collimates the gas stream to optimize the gas impingement across one or more solder interconnects...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006532
EISBN: 978-1-62708-207-5
..., grinding, deburring and punch cutting can be done. 4. Problem of hydrogen embrittlement at the cut surface. 10000–16000 0.12–2.5 25–50 EBM Electro-thermal 1. Reactive metals like Mg and Al can be cut easily with high surface finish. 2. Used to drill very small holes in diesel injection nozzle...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005718
EISBN: 978-1-62708-171-9
... a given time period. The time a particle spends in the process jet is called the dwell time; it is governed by gas velocity and powder particle characteristics. Gas velocity in turn is determined by the total gas flow through the nozzle, the nozzle design, the gas characteristics, and the energy acting...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003042
EISBN: 978-1-62708-200-6
... to the kerf. Gas flow, nozzle-to-workpiece distance, and nozzle design all affect cutting speed and quality ( Ref 3 ). Fig. 14 Gas-assisted laser cutting Gas-assisted laser cutting operates best when it completely penetrates a sheet of material. The gas then flows through the kerf, sweeping...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001280
EISBN: 978-1-62708-170-2
... Cerium oxide … … … 4.2 … … … Titania … … … 4.2 … … … Bismuth nitrate … … … 4.2 … … … Bismuth oxide … … … 6.2 … … … Beryllia … … … … … 2.5 … Zirconia … … … … … … 2.5 (a) UI numbers designate frit compositions developed at the University...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003284
EISBN: 978-1-62708-176-4
... method is generally a plain cylindrical tube for ease of construction and replacement. There are national standards relating to this type of test method, but nonstandard designs are also commonly used. In ASTM standard G 76 ( Ref 7 ), the use of a nozzle 50 mm (2 in.) long with a bore of 1.50 mm...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006580
EISBN: 978-1-62708-290-7
... design (CAD) file and other properties of the object, such as surface texture. Extrusion printers are generally categorized as industrial printers selling for more than $5000 and desktop printers selling for less than $5000 ( Ref 4 ). This article focuses on the general 3D printing processes as can...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001228
EISBN: 978-1-62708-170-2
... Abstract Mechanical cleaning systems are used to remove contaminants of work surface by propelling abrasive materials through any of these three principal methods: airless centrifugal blast blade- or vane-type wheels; compressed air, direct-pressure dry blast nozzle systems; or compressed-air...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001357
EISBN: 978-1-62708-173-3
... with the broader, conical arc of the GTAW process. The greater complexity of the PAW torch design and the greater number of parts requires more scheduled maintenance. The accurate set-back of the electrode tip, with respect to the nozzle orifice, is required to maintain consistent results. However, this task...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005582
EISBN: 978-1-62708-174-0
... complexity of the PAW torch design and the greater number of parts requires more scheduled maintenance. The accurate set-back of the electrode tip, with respect to the nozzle orifice, is required to maintain consistent results. However, this task is facilitated by a general-purpose tool designed for nozzle...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003485
EISBN: 978-1-62708-195-5
.... The material is a powder metallurgy discontinuously reinforced aluminum, 2009/SiC/15p. Dimensions for the end gland are provided in the text. Courtesy of DWA Aluminum Composites, Inc. Fig. 6 Jet engine applications of titanium-matrix composites. (a) A nozzle actuator piston rod used on the Pratt...